Advisories » MGASA-2018-0051

Updated libexif packages fix security vulnerability

Publication date: 03 Jan 2018
Type: security
Affected Mageia releases : 5 , 6
CVE: CVE-2016-6328


A vulnerability was found in libexif. The vulnerability is caused by an
integer overflow. In some cases, the integer overflow can cause Heap
Out-of-Bounds Read, i.e. Heap Buffer Overflow vulnerability. In some other
cases, the integer overflow can cause use of uninitialized pointer variable,
i.e. Use of Uninitialized Variable Vulnerability. The vulnerability happens
when parsing MNOTE entry data of the input file. The vulnerability can cause
Denial-of-Service (DoS) and Information Disclosure (disclosing some critical
heap chunk metadata, even other applications’ private data) (CVE-2016-6328).